G06V 40/1347
Preprocessing
Official title: {Preprocessing; Feature extraction}
G06V40/1347 (Preprocessing) appears on 1,444 US grants and 1,538 published applications in this corpus.
Search patents in G06V- Granted patents
- 1,444
- Published applications
- 1,538
- Assignees
- 467
- Inventors
- 2,460
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 6 |
| 2002 | 8 | 16 |
| 2003 | 5 | 27 |
| 2004 | 11 | 17 |
| 2005 | 8 | 33 |
| 2006 | 26 | 31 |
| 2007 | 17 | 32 |
| 2008 | 21 | 29 |
| 2009 | 20 | 14 |
| 2010 | 19 | 27 |
| 2011 | 21 | 19 |
| 2012 | 15 | 22 |
| 2013 | 21 | 31 |
| 2014 | 24 | 44 |
| 2015 | 43 | 53 |
| 2016 | 62 | 109 |
| 2017 | 88 | 141 |
| 2018 | 103 | 185 |
| 2019 | 149 | 128 |
| 2020 | 137 | 146 |
| 2021 | 135 | 119 |
| 2022 | 135 | 85 |
| 2023 | 87 | 76 |
| 2024 | 69 | 55 |
| 2025 | 71 | 54 |
| 2026 | 39 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for fake fingerprints generation, and training method of artificial intelligence for identifying fake fingerprints22 Sep 2026US 12,743,873 B2Suprema Inc.
- Fingerprint recognition device and method, and method for training artificial neural network for fingerprint image restoration in the fingerprint recognition device1 Sep 2026US 12,725,228 B1Suprema Inc.
- Computer-implemented method for obtaining information on biometric features of a user25 Aug 2026US 12,718,616 B2Identy Inc.
- Dynamic event and user validation using reflectance transformation imaging25 Aug 2026US 12,719,836 B2Bank of America Corporation
- System for biometric input assessment18 Aug 2026US 12,711,803 B1Amazon Technologies, Inc.
- Display device, electronic device including the same, and driving method thereof8 Oct 2026US 2026/0305960 A1Samsung Display Co., Ltd.
- System, Method and Apparatus for Generating Acoustic Signals Based on Biometric Information8 Oct 2026US 2026/0310775 A1Biotune Inc.
- Dynamic Event and User Validation Using Reflectance Transformation Imaging8 Oct 2026US 2026/0312940 A1Bank of America Corporation
- Method for computer processing of an image showing a fingerprint1 Oct 2026US 2026/0301473 A1Idemia Public Security France
- Fingerprint Enrollment Using Collocation of a User's Touch and a Fingerprint Sensor1 Oct 2026US 2026/0301474 A1Google Inc.
Most cited
By later US patents
- System and method for determining block direction in fingerprint images433US 6,289,112 B1International Business Machines Corporation · 2001
- Method for authenticating an individual by use of fingerprint data371US 7,136,514 B12006
- Personal choice biometric signature300US 7,035,443 B22006
- Personal choice biometric signature298US 7,013,030 B22006
- Method and apparatus for verifying identity using image correlation277US 5,067,162 AIdentix Incorporated · 1991